Step-by-step explanation:
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,
in triangle abc and doc,
because AB||CD
angle D = angle A
angle B = angle C (alternate pairs)
angle O= angle O (common)
therefore both triangles are congruent,
therefore CO=OB (cpct)
therefore, when co=ob, automatically o is the midpoint of ab
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Answers & Comments
Step-by-step explanation:
\huge{\green{\underline{ \overline
{\red{ \mid{ \bold{\star{ \blue{ solu}
{\mathbb{Tion}}{\blue{\star{\red{\mid}}}}}}}}}}}}
Step-by-step explanation:
,
in triangle abc and doc,
because AB||CD
angle D = angle A
angle B = angle C (alternate pairs)
angle O= angle O (common)
therefore both triangles are congruent,
therefore CO=OB (cpct)
therefore, when co=ob, automatically o is the midpoint of ab